NGK (5787-4PK) ILZKR7B-11S Laser Iridium Spark Plug, Box of 4Hot on Sale

Laser welded Iridium center electrode tip ensures high durability and greater spark

Platinum disc welded to backside of ground electrode provides long life

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Longer insulator nose prevents carbonization, Corrugated ribs on insulator prevents flashover, and the triple gasket seal eliminates combustion gas leakage

Faster starts and quicker acceleration

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Better fuel economy and lower emissions, Trivalent Metal Plating for superior anti-corrosion and anti-seizing